/*
 * Copyright (C) 2022 Thibault B.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.github.thibaultbee.streampack.internal.muxers.mp4.utils

import java.util.*
import java.util.concurrent.TimeUnit

object TimeUtils {
    val isomTimeBaseMs: Long = Calendar.getInstance(TimeZone.getTimeZone("GMT")).run {
        set(1904, 0, 1, 0, 0, 0)
        set(Calendar.MILLISECOND, 0)
        timeInMillis
    }

    val utcNowIsom: Long
        get() = TimeUnit.MILLISECONDS.toSeconds(Date().time - isomTimeBaseMs)
}